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chemical indicator |
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chemical indicator [′kem·i·kəl ′in·də‚kād·ər] (analytical chemistry) A substance whose physical appearance is altered at or near the end point of a chemical titration. A substance whose color varies as the concentration of hydrogen ions in the solution to which it is added varies. Also known as indicator. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Chemical indicators reflect a variety of spatial or temporal scales ranging from oxygen demand for a specific point source to global carbon dioxide distributions in the atmosphere. Is a color-change chemical indicator used inside and in the center of each pack? Evaluation of a rapid readout biological indicator for flash sterilization with three biological indicators and three chemical indicators. |
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